公开(公告)号：US20140200321A1

公开(公告)日：2014-07-17

申请号：US14217814

申请日：2014-03-18

申请人： SUMITOMO RUBBER INDUSTRIES, LTD.

发明人： Kensuke WASHIZU

IPC分类号： C08F236/22

CPC分类号： C08F12/08 ,  B60C1/00 ,  B60C1/0016 ,  C08F212/08 ,  C08F236/10 ,  C08F236/22 ,  C08K13/02 ,  Y10S152/905 ,  Y10T152/10495

摘要： The present invention relates to a branched conjugated diene copolymer which is useful for preparing a rubber composition, having high uniformity of a temperature dependence curve of a viscoelasticity tan δ, for a tire, a rubber composition comprising the copolymer, and a pneumatic tire produced using the rubber composition for a tire. The branched conjugated diene copolymer is composed of monomer components comprising a branched conjugated diene compound represented by a general formula (1): wherein R1 represents an aliphatic hydrocarbon group having 6 to 11 carbon atoms, and an aromatic vinyl compound represented by a general formula (2): wherein R2 represents an aromatic hydrocarbon group having 6 to 10 carbon atoms, and R5 represents a hydrogen atom or the like, and a copolymerization ratio (m) of the aromatic vinyl compound (2) is 45% by mass or more.

摘要翻译： 本发明涉及一种可用于制备橡胶组合物的支链共轭二烯共聚物，其具有对于轮胎，包含该共聚物的橡胶组合物的粘弹性tanδ的温度依赖性曲线均匀性高的均匀性，以及使用 用于轮胎的橡胶组合物。 支链共轭二烯共聚物由包含通式（1）表示的支链共轭二烯化合物的单体组分组成：其中R 1表示具有6至11个碳原子的脂族烃基，和由通式（ 2）表示：其中，R2表示碳原子数6〜10的芳香族烃基，R5表示氢原子等，芳香族乙烯基化合物（2）的共聚比（m）为45质量％以上。

公开(公告)号：US20130059965A1

公开(公告)日：2013-03-07

申请号：US13698648

申请日：2011-05-25

申请人： Yoshio Hirose

发明人： Yoshio Hirose

IPC分类号： C08L9/06 ,  C08L7/00

CPC分类号： B60C1/0016 ,  C08C19/44 ,  C08K3/36 ,  C08K5/01 ,  C08L7/00 ,  C08L9/06 ,  C08L15/00 ,  C08L2205/02 ,  C08L2205/03 ,  Y02T10/862 ,  Y10S152/905

摘要： A tire tread rubber composition includes: diene rubber containing three kinds of rubber (E-SBR, modified S-SBR, and natural rubber (NR)) in a total amount of 80% by weight or more; and a filler in an amount of 100 to 140 parts by weight based on 100 parts by weight of the diene rubber, the filler containing 70% by weight or more of silica, wherein the diene rubber contains 10 to 25% by weight of the natural rubber, the weight ratio of the three kinds of rubber (E-SBR:modified S-SBR:NR) is 1 to 2:2.5 to 4:1, the styrene content of the E-SBR and the modified S-SBR is 35 to 40% by weight, and the difference between the glass transition temperature of the E-SBR and the glass transition temperature of the modified S-SBR is 10° C. or lower.

摘要翻译： 轮胎胎面橡胶组合物包括：总计为80重量％以上的含有三种橡胶（E-SBR，改性S-SBR和天然橡胶（NR））的二烯橡胶; 相对于100重量份的二烯橡胶，填料含有70重量％以上的二氧化硅，100〜140重量份的填料，二烯系橡胶含有10〜25重量％的天然 橡胶，三种橡胶（E-SBR：改性S-SBR：NR）的重量比为1〜2：2.5〜4：1，E-SBR和改性S-SBR的苯乙烯含量为35 至40重量％，并且E-SBR的玻璃化转变温度与改性S-SBR的玻璃化转变温度之差为10℃以下。

公开(公告)号：US07900667B2

公开(公告)日：2011-03-08

申请号：US11650146

申请日：2007-01-05

申请人： Didier Vasseur

发明人： Didier Vasseur

IPC分类号： B60C1/00 ,  C08K3/36

CPC分类号： C08L9/04 ,  B60C1/0016 ,  B60C11/005 ,  C08K3/36 ,  C08L9/00 ,  C08L9/06 ,  C08L61/06 ,  Y10S152/905 ,  C08L2666/16 ,  C08L2666/02

摘要： A tire tread and a tire comprising a tire tread, the tire tread having a rubber composition based on a diene elastomer; more than 50 phr of an inorganic filler as reinforcing filler; between 2 and 15 phr of an inorganic filler/diene elastomer coupling agent; between 1 and 10 phr of a methylene acceptor, and between 0.5 and 5 phr of a methylene donor. The tread may be characterized as having a radially increasing rigidity gradient from the surface towards the inside of the tread after mechanical run-in of the tread. In particular embodiments, the tread may be characterized as having a nominal secant modulus at 10% elongation is between 3 and 7 MPa at a radially outer surface of the tread and between 9 and 13 MPa at the most radially inside of the tread.

摘要翻译： 轮胎胎面和包括轮胎胎面的轮胎，所述轮胎胎面具有基于二烯弹性体的橡胶组合物; 超过50phr的无机填料作为增强填料; 2至15phr的无机填料/二烯弹性体偶联剂; 1至10phr的亚甲基受体，以及0.5至5phr的亚甲基给体。 胎面的特征可以在胎面的机械磨合之后具有从胎面的表面向内侧的径向增加的刚度梯度。 在特定实施例中，胎面可以表征为在胎面的径向外表面处具有10％伸长率的标称正割模量在3和7MPa之间，并且在胎面的最径向内部具有9和13MPa之间。

公开(公告)号：US20100190940A1

公开(公告)日：2010-07-29

申请号：US12601364

申请日：2008-05-19

申请人： Ryuji Nakagawa ,  Junko Matsushita ,  Yoichi Ozawa ,  Shojiro Kaita ,  Olivier Tardif

发明人： Ryuji Nakagawa ,  Junko Matsushita ,  Yoichi Ozawa ,  Shojiro Kaita ,  Olivier Tardif

IPC分类号： C08F4/58 ,  C08F136/06

CPC分类号： C08L9/00 ,  B60C1/0016 ,  C08F36/04 ,  Y10S152/905 ,  Y10T152/10495 ,  C08F4/54

摘要： This invention provides a polybutadiene capable of improving wear resistance and resistance to crack growth in a rubber composition and a tire, wherein values of e, f and g derived from the following determinant (I): ( 1.7455 0 - 0.0151 - 0.0454 0.4292 - 0.0129 - 0.007 0 0.3746 )  ( log 10  ( a / d ) log 10  ( a / b ) log 10  ( a / c ) ) = ( e f g ) ( I ) (wherein a is a mountain peak value around 1130 cm−1 in a transmittance spectrum through Fourier transform infrared spectroscopy (FT-IR), and b is a valley peak value around 967 cm−1, and c is a valley peak value around 911 cm−1, and d is a valley peak value around 736 cm−1) satisfy relationships of equation (II): (Calculated value of cis-1,4 bond)=e/(e+f+g)×100≧99 and equation (III): (Calculated value of vinyl bond)=g/(e+f+g)×100≦0.

摘要翻译： 本发明提供一种能够改善橡胶组合物和轮胎中的耐磨性和抗裂纹生长性的聚丁二烯，其中衍生自以下决定基（I）的e，f和g的值：（1.7455-0.0151-0.0454±0.4292-0.0129 （a / b）log 10（a / c））=（efg）（I）（其中a是1130cm左右的山峰值 -1，傅立叶变换红外光谱（FT-IR）为透射光谱，b为967cm -1左右的谷峰值，c为911cm -1附近的谷峰值，d为谷峰值 约736厘米-1）满足式（II）的关系：（顺式-1,4-键的计算值）= e /（e + f + g）×100≧99和式（III）:(乙烯基的计算值 键）= g /（e + f + g）×100＆nlE; 0。

公开(公告)号：US07709561B2

公开(公告)日：2010-05-04

申请号：US10534500

申请日：2003-10-30

申请人： Masayuki Ohashi ,  Tadashi Shibata

发明人： Masayuki Ohashi ,  Tadashi Shibata

IPC分类号： C08L95/00 ,  B60C1/00

CPC分类号： C08K5/01 ,  B60C1/0016 ,  C08L9/06 ,  C08L21/00 ,  Y10S152/905 ,  C08L2666/08 ,  C08L2666/02

摘要： There is provided a rubber composition for a tread obtained by compounding (a) 5-40 parts by mass of a softening agent including an oil in which an extraction quantity with dimethylsulfoxide (DMSO) by IP346 process is controlled to less than 3% by mass and (b) 5-40 parts by mass of a liquid polymer having a viscosity average molecular weight of 45,000-100,000 based on 100 parts by mass of a rubber component, and considerably improving the fracture properties and wear resistance and controlling the lowering of the modulus of elasticity as compared with the case of compounding the conventional high aromatic oil.

摘要翻译： 提供一种胎面用橡胶组合物，其通过（a）将（a）5-40质量份包含油的软化剂（其中通过IP346工艺将二甲基亚砜（DMSO）的萃取量控制在小于3质量％ 和（b）5-40质量份基于100质量份橡胶组分的粘均分子量为45,000-100,000的液体聚合物，并显着提高了断裂性和耐磨性，并且控制了 与常规高芳香油混合的情况相比，弹性模量。

公开(公告)号：US20090234066A1

公开(公告)日：2009-09-17

申请号：US11920627

申请日：2006-05-11

申请人： Jose Carlos Araujo Da Silva ,  Nathalie Binde ,  Pierre Robert ,  Sebastien Sterin ,  Anne Veyland

发明人： Jose Carlos Araujo Da Silva ,  Nathalie Binde ,  Pierre Robert ,  Sebastien Sterin ,  Anne Veyland

IPC分类号： C08L9/00

CPC分类号： C08K5/5465 ,  C08K5/5455 ,  C08L21/00 ,  Y10S152/905 ,  Y10T156/1357 ,  C08L2666/44

摘要： Tyre and rubber composition for tyre, based on at least one isoprene elastomer (for example natural rubber), an inorganic filler as reinforcing filler (for example silica) and a coupling system which provides the bonding between the said reinforcing inorganic filler and the isoprene elastomer, the said coupling system comprising, in combination: as first coupling agent, a silane sulphide compound; as second coupling agent, an at least bifunctional organosilicon compound (for example an organosilane or an organosiloxane) which can be grafted to the elastomer by means of an azodicarbonyl functional group (—CO—N═N—CO—).

摘要翻译： 基于至少一种异戊二烯弹性体（例如天然橡胶）的轮胎和橡胶组合物，作为增强填料的无机填料（例如二氧化硅）和提供所述增强无机填料与异戊二烯弹性体之间的粘结的连接系统 ，所述耦合系统组合包含：作为第一偶联剂的硅烷硫化物化合物; 作为第二偶联剂，可以通过偶氮二羰基官能团（-CO-N-N-CO-）接枝到弹性体上的至少双官能的有机硅化合物（例如有机硅烷或有机硅氧烷）。

公开(公告)号：US07511108B2

公开(公告)日：2009-03-31

申请号：US10564727

申请日：2004-07-01

申请人： Eiju Suzuki ,  Yoichi Ozawa ,  Shojiro Kaita ,  Yasuo Wakatsuki

发明人： Eiju Suzuki ,  Yoichi Ozawa ,  Shojiro Kaita ,  Yasuo Wakatsuki

IPC分类号： C08F136/06 ,  B60C1/00 ,  C08L9/00 ,  C08F4/72

CPC分类号： B60C1/0016 ,  C08L9/00 ,  Y10S152/905 ,  Y10T152/10495 ,  C08F36/04 ,  C08F4/545

摘要： The invention relates to a pneumatic tire having excellent mechanical properties by using a rubber composition containing a polybutadiene rubber having a high cis-1,4 bond content, a low vinyl bond content and proper number average molecular weight and molecular weight distribution, and more particularly to a pneumatic tire characterized in that a rubber composition including a polybutadiene with a cis-1,4 bond content of not less than 99.0% and a vinyl bond content of not more than 0.3% as measured by a Fourier transform infrared spectroscopy is used in any one of tire members.

摘要翻译： 本发明涉及通过使用含有具有高顺式-1,4键含量，低乙烯基键含量和适当数均分子量和分子量分布的聚丁二烯橡胶的橡胶组合物，具有优异的机械性能的充气轮胎，更具体地说， 涉及一种充气轮胎，其特征在于，使用通过傅立叶变换红外光谱法测定的包含顺式-1,4键含量为99.0％以上的聚丁二烯和乙烯基键含量为0.3％以下的橡胶组合物 任何一个轮胎成员。

公开(公告)号：US07434605B2

公开(公告)日：2008-10-14

申请号：US11282366

申请日：2005-11-17

申请人： Hien Vu ,  Gilles Godeau

发明人： Hien Vu ,  Gilles Godeau

IPC分类号： B60C1/00 ,  B60C3/04 ,  B60C9/08 ,  B60C11/11

CPC分类号： B60C11/0083 ,  B60C1/0016 ,  B60C3/04 ,  B60C11/00 ,  Y10S152/905

摘要： The invention relates to a tire for heavy vehicle of the agricultural or construction type, comprising a carcass reinforcement radially surmounted by a crown reinforcement, itself topped radially by a tread, said tread being joined to two beads by means of two sidewalls. According to the invention, the tire is such that the form ratio H/S is less than 0.75 and the ratio of the width of the tread A to the height of deflection B of the crown is greater than 17.

摘要翻译： 本发明涉及一种农业或建筑类型的重型车辆用轮胎，其包括由胎冠增强件径向超越的胎体增强件，胎体增强件本身由胎面径向突出，所述胎面通过两个侧壁连接到两个胎圈。 根据本发明，轮胎使得形状比H / S小于0.75，并且胎面A的宽度与冠部的偏转B的高度的比率大于17。

公开(公告)号：US20070060686A1

公开(公告)日：2007-03-15

申请号：US11510711

申请日：2006-08-28

申请人： Yasuhisa Minagawa

发明人： Yasuhisa Minagawa

IPC分类号： B60C1/00 ,  C08K3/38 ,  C08K5/24

CPC分类号： B60C1/0008 ,  B60C1/0016 ,  B60C1/0025 ,  C08K3/38 ,  Y02T10/862 ,  Y10S152/905 ,  C08L21/00

摘要： A rubber composition, wherein a reaction efficiency of a silane coupling agent at kneading is improved, generation of air bubbles is suppressed, abrasion resistance is improved, and rolling resistance is lowered, is provided. A rubber composition containing silica, which comprises 3 to 15 parts by weight of a silane coupling agent based on 100 parts by weight of silica, and boric acid.

摘要翻译： 提供了一种橡胶组合物，其中改善了捏合时硅烷偶联剂的反应效率，抑制气泡的产生，提高了耐磨性，降低了滚动阻力。 包含二氧化硅的橡胶组合物，其包含基于100重量份二氧化硅的3至15重量份的硅烷偶联剂和硼酸。

公开(公告)号：US07156137B2

公开(公告)日：2007-01-02

申请号：US11071822

申请日：2005-03-03

申请人： Filomeno Gennaro Corvasce ,  Fernand Antoine Joseph Fourgon

发明人： Filomeno Gennaro Corvasce ,  Fernand Antoine Joseph Fourgon

IPC分类号： B60C1/00 ,  C08L99/00 ,  C08L3/00 ,  C08K3/34

CPC分类号： C08L9/06 ,  C08K3/36 ,  C08K5/548 ,  C08L1/12 ,  C08L3/00 ,  C08L9/00 ,  C08L21/00 ,  Y10S152/905 ,  Y10T152/10 ,  Y10T152/10495 ,  Y10T152/10855 ,  C08L2666/02 ,  C08L2666/08 ,  C08L2666/26

摘要： The invention relates to a rubber composition which contains starch/plasticizer composite, precipitated silica and carbon black reinforcement together with a coupling agent wherein the coupling agent is an organosilane polysulfide having an average of from about 2 to about 2.6 connecting sulfur atoms in its polysulfidic bridge. The invention provides for a chemical reaction between a coupling agent and silica which is substantially decoupled from a reaction between a coupling agent and starch/plasticizer to form a filler reinforcement network in situ within the elastomer host followed by a subsequent phase mixing of the carbon black therewith. The invention further relates to the resulting rubber composition and articles of manufacture, including tires, having at least one component comprised of said rubber composition.

摘要翻译： 本发明涉及一种橡胶组合物，其中含有淀粉/增塑剂复合材料，沉淀二氧化硅和炭黑增强剂以及偶联剂，其中偶联剂是其多硫桥中平均硫原子平均为约2至约2.6的有机硅烷多硫化物 。 本发明提供偶联剂和二氧化硅之间的化学反应，其与偶联剂和淀粉/增塑剂之间的反应基本上脱离，以在弹性体主体内原位形成填料增强网络，随后将炭黑 随之而来。 本发明还涉及所得的橡胶组合物和制品，包括具有至少一种由所述橡胶组合物组成的组分的轮胎。